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CircleCI · Developer toolsJun 1, 2026, 01:04 UTC

Mac jobs failing to start

MinorNot disclosedUpdated 38h ago
Jun 1, 01:04 UTCJun 1, 03:26 UTC
Duration
2h 22m
Impact
Minor
Root cause
Not disclosed
CircleCI, 90 days
27 incidents
Affected
macOS Jobs
Status page

Final update

All Mac jobs are running successfully. Our infrastructure provider has confirmed that the DDoS attack has been mitigated and that services have been restored. Thank you for your patience during this incident.

Timeline

  1. Resolved · Jun 1, 03:26 UTC
    All Mac jobs are running successfully. Our infrastructure provider has confirmed that the DDoS attack has been mitigated and that services have been restored. Thank you for your patience during this incident.
  2. Monitoring · Jun 1, 02:05 UTC
    Mac jobs are running successfully, and we are continuing to monitor the performance of our Mac fleet. Thank you for your patience.
  3. Monitoring · Jun 1, 01:36 UTC
    We are seeing Mac jobs starting successfully and improved network connectivity to the Mac fleet, however our infrastructure provider is continuing to experience a DDoS attack. We will continue to monitor the recovery while bringing additional capacity to our platform.
  4. Investigating · Jun 1, 01:05 UTC
    We are continuing to investigate this issue.
  5. Investigating · Jun 1, 01:04 UTC
    Mac jobs are continuing to experience failures. Our infrastructure provider is continuing to report that they are experiencing a DDoS attack causing high network latency and packet loss for our Mac fleet. We are working to bring up additional capacity to restore service.

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Full history

Sources: vendors' own status pages, published postmortems and SEC 8-K Item 1.05 filings, read daily. Times as reported. Logos via logo.dev; trademarks belong to their owners.

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